WO2004084766A3 - Procede et appareil de formation de structures absorbantes a base d'etoupe a feuille enveloppe simple - Google Patents

Procede et appareil de formation de structures absorbantes a base d'etoupe a feuille enveloppe simple Download PDF

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Publication number
WO2004084766A3
WO2004084766A3 PCT/US2004/008794 US2004008794W WO2004084766A3 WO 2004084766 A3 WO2004084766 A3 WO 2004084766A3 US 2004008794 W US2004008794 W US 2004008794W WO 2004084766 A3 WO2004084766 A3 WO 2004084766A3
Authority
WO
WIPO (PCT)
Prior art keywords
casing sheet
tow
supply
core composite
particulate matter
Prior art date
Application number
PCT/US2004/008794
Other languages
English (en)
Other versions
WO2004084766A2 (fr
Inventor
John Walter
John D Litvay
Walter Egted
Original Assignee
Tyco Healthcare Retail Serv Ag
John Walter
John D Litvay
Walter Egted
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tyco Healthcare Retail Serv Ag, John Walter, John D Litvay, Walter Egted filed Critical Tyco Healthcare Retail Serv Ag
Priority to CA 2519671 priority Critical patent/CA2519671A1/fr
Priority to EP04758043A priority patent/EP1610934A4/fr
Priority to MXPA05010253A priority patent/MXPA05010253A/es
Publication of WO2004084766A2 publication Critical patent/WO2004084766A2/fr
Publication of WO2004084766A3 publication Critical patent/WO2004084766A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • A61F13/1565—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres by depositing continuous layers of fibrous material between webs, e.g. wrapping layers of fibrous material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • A61F13/15658—Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/53051—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged
    • A61F2013/530532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged the maximum being at certain depth in the thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1008—Longitudinal bending
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1015—Folding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1051—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by folding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

L'invention concerne un appareil et un procédé permettant de former des structures absorbantes à base d'étoupe ayant une feuille enveloppe simple. L'appareil est doté d'un mécanisme de fourniture d'étoupe qui fournit le matériau d'étoupe, un mécanisme de fourniture de matière particulaire qui fournit une matière particulaire, et un mécanisme de fourniture de feuille enveloppe qui fournit du matériau de feuille enveloppe. L'appareil est également doté d'un rouleau d'aspiration ayant une surface centrale foraminée dont la largeur est définie par un premier bord et un second bord et qui tourne autour d'un premier axe. Le rouleau d'aspiration est placé de manière à recevoir le matériau d'étoupe, la matière particulaire et le matériau de feuille enveloppe pour former une alimentation composite à noyau ouvert. L'appareil a en outre une ou plusieurs surfaces en angle placées de manière à créer un ou plusieurs angles obtus dans l'alimentation composite à noyau ouvert, et une ou plusieurs plieuses pour plier une nouvelle fois lesdits angles obtus dans l'alimentation composite à noyau ouvert de façon à former une alimentation composite à noyau plié.
PCT/US2004/008794 2003-03-24 2004-03-24 Procede et appareil de formation de structures absorbantes a base d'etoupe a feuille enveloppe simple WO2004084766A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA 2519671 CA2519671A1 (fr) 2003-03-24 2004-03-24 Procede et appareil de formation de structures absorbantes a base d'etoupe a feuille enveloppe simple
EP04758043A EP1610934A4 (fr) 2003-03-24 2004-03-24 Procede et appareil de formation de structures absorbantes a base d'etoupe a feuille enveloppe simple
MXPA05010253A MXPA05010253A (es) 2003-03-24 2004-03-24 Metodo y aparato para formar estructuras absorbentes basados en fibra filamentosa con una sola lamina de forro.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/394,588 US6923926B2 (en) 2002-01-16 2003-03-24 Method and apparatus for forming tow-based absorbent structures with a single casing sheet
US10/394,588 2003-03-24

Publications (2)

Publication Number Publication Date
WO2004084766A2 WO2004084766A2 (fr) 2004-10-07
WO2004084766A3 true WO2004084766A3 (fr) 2004-12-29

Family

ID=33096764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/008794 WO2004084766A2 (fr) 2003-03-24 2004-03-24 Procede et appareil de formation de structures absorbantes a base d'etoupe a feuille enveloppe simple

Country Status (5)

Country Link
US (2) US6923926B2 (fr)
EP (1) EP1610934A4 (fr)
CA (1) CA2519671A1 (fr)
MX (1) MXPA05010253A (fr)
WO (1) WO2004084766A2 (fr)

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US20050147711A1 (en) 2005-07-07
US20030212376A1 (en) 2003-11-13
EP1610934A2 (fr) 2006-01-04
US6923926B2 (en) 2005-08-02
WO2004084766A2 (fr) 2004-10-07
CA2519671A1 (fr) 2004-10-07
MXPA05010253A (es) 2005-12-14
US7232300B2 (en) 2007-06-19
EP1610934A4 (fr) 2011-09-07

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